Download e-book for iPad: The Jurassic of the Circum-Pacific (World and Regional by Gerd E. G. Westermann

By Gerd E. G. Westermann

ISBN-10: 0521351537

ISBN-13: 9780521351539

During this paintings, sixty experts assembled to debate the nearby occurrences of Jurassic rocks round the Pacific rim. The tectonic atmosphere, stratigraphical sequences, and fossil assemblages of the quarter are coated intimately; neighborhood biozones in keeping with palynonorphs, protistans, crops and invertebrates are outlined; and super-regional average zones in accordance with ammonites are tested. quite a few tables are used to rfile and illustrate intra- and intercontinental circum-Pacific correlations, and a wide atlas illustrates greater than 1,000 circum-Pacific index fossils.

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Broage, W. , Lanphere, M. A. (1977). Preliminary report on the ophiolites of northern and western Alaska. In R. G. Coleman & W. P. ), North American Ophiolites (pp. 51-7). Oregon Department of Geology and Mineral Industries Bulletin 95. Pigram, C. , & Panggabean, H. (1984). Rifting of the northern margin of the Australian continent and the origin of some microcontinents in eastern Indonesia. Tectonophysics, 107, 331-53. Pindell, J. L. (1985). Alleghenian reconstruction and subsequent evolution of the Gulf of Mexico, Bahamas and Proto-Caribbean.

Geophys. Union, 63, 915. (1985). Early Cretaceous orogenic belt in northwestern Alaska: internal organization, lateral extent and tectonic interpretation. In D. G. ), Tectonostratigraphic Terranes of the CircumPacific Region (vol. 1, pp. 137-45). Houston: Circum-Pacific Council for Energy and Mineral Resources. Brandon, M. T , Cowan, D. , & Vance, J. A. (1988). The Late Cretaceous San Juan Thrust System, San Juan Islands, Washington. Geological Society of America, Special Paper 221. Brooks, H. C , & Vallier, T.

1982; Price et al. 1985), at approximately 180 Ma as plutons stitched the Quesnellia-North America suture (Armstrong 1988). ) in the north (Templeman-Kluit 1979a,b), and by the late Oxfordian turbidites of the Fernie Group (Price et al. 1985) in the south. Initiation of the east-facing Quesnellia/Yukon-Tanana arc that resulted in the closure of the Slide Mountain back-arc basin appears to have begun near the Permo-Triassic boundary (—246 Ma)(Erdmer and Armstrong 1988), at least in the north, and thus to have predated the suturing of Stikinia and Quesnellia in the Late Triassic to the pre-Middle Jurassic (—176 Ma).

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The Jurassic of the Circum-Pacific (World and Regional Geology) by Gerd E. G. Westermann

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